DTC P279D-64: Four Wheel Drive (4WD) Range Signal Circuit - Signal plausibility failure: Action
NOTE:
- No repair actions relating to the Transmission or Transmission Control Module will rectify this fault
- Any short circuit, open circuit, or high resistance faults detected on the FlexRay harness should be repaired in accordance with the Jaguar Land Rover approved wiring harness repair procedure maintaining 90 to 100 ohms across the FlexRay network, maintaining the wire twist rate (20mm+/-2mm for one full 360° twist), using no more than of five in-line connectors on each branch of the FlexRay network. For further information refer to DESCRIPTION AND OPERATION .
- Prioritized steps to perform:
- Using the Jaguar Land Rover approved diagnostic equipment, check the transfer case control module for related DTCs and refer to the relevant DTC index
- Using the Jaguar Land Rover approved diagnostic equipment, check the vehicle for CAN bus (FlexRay) related DTCs and refer to the relevant DTC index